Return the auth token to begin call when timestamp token is required.

Accoding to the KM HAL specification, we need to pass the matching
authtoken to begin() when timeout bound token is required along with a
timestamp token.

Bug: 186362193
Test: CtsVerifier->FingerprintBoundTest
Change-Id: I52aebfbac70ad5390039e1cbe9bf2b8705a561a0
1 file changed